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harina [27]
3 years ago
9

How do you solve 6 7/10 - 2 1/3?

Mathematics
2 answers:
Luba_88 [7]3 years ago
5 0

Answer: 131/30

Step-by-step explanation:

When adding or subtracting fractions, it sometimes helps to make them improper fractions:

6 7/10 becomes 67/10 because 6*10+7 = 67, over 10.

2 1/3 becomes 7/3 because 2*3+1 = 7, over 3.

Now you make the two denominators the same by finding the least common factor between the two denominators:

The LCD of 10 and 3 is 30.

67/10 equals 201/30. They're the same fraction, just the first one is more simplified.

7/3 equals 70/30.

Now that the denominators are the same, you can easily subtract the two. Since you're not multiplying or dividing, the denominator of 30 remains the same. Just subtract the numerators.

201/30 - 70/30 = 131/30

Your answer cannot be simplified any more, but as a mixed number, your answer is 4 11/30.

malfutka [58]3 years ago
3 0
Find the common denominator for 3 and 10 which is 30 now the denominator is 30 and what you do with one side you do to the other so 6 7/10 turns into
6 21/30 and 2 1/3 turns into 2 10/30 now subtract them so 6 21/30-2 10/30=
4 11/30
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agasfer [191]

Answer: The answer would be C

Step-by-step explanation:

37 + 5 = 42

Each teacher needs 8 and there are 5 teachers

5 x 8 = 40

So each teacher can have 8 apples and there will be two left over

7 0
3 years ago
works as a florist and worked 12 hours last week and earned $98. At that rate, how much will she earn this weekend if she works
kotykmax [81]

Answer:

$114.3

Step-by-step explanation:

Number of hours worked last week  = 12hrs

Amount earned for her work hours = $98

 The rate at which she earned =  ?

        Rate = \frac{amount earned }{total work hour}  

        Rate  = \frac{98}{12}    = $8.17/hr

Now;

Since the total hours she worked during the weekend  = 14hrs

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7 0
2 years ago
Find the number of subset and number of proper subset from A=(5,6,7,8)
dezoksy [38]

Step-by-step explanation:

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3 0
3 years ago
(05.01)A scale drawing of a living room is shown below. The scale is 1 : 40.
matrenka [14]

Answer:

A=266\frac{2}{3}\ ft^2

Step-by-step explanation:

we know that

The scale is \frac{1}{40}

That means

1 unit in the drawing represent 40 units in the actual

or

1 inch in the drawing represent 40 inches in the actual

step 1

Find the actual dimensions of the living room

Multiply the dimensions of the living room in the drawing by 40

Length:\ 6(40)=240\ in

Width:\ 4(40)=160\ in

step 2

Convert inches to feet

Remember that

1\ ft=12\ in

To convert inches to feet , divide by 12

so

Length:\ 240\ in=240/12=20\ ft

Width:\ 160\ in=160/12=\frac{40}{3}\ ft

step 3

Find the area in square feet

Multiply the length by the width

A=(20)(\frac{40}{3})=\frac{800}{3}\ ft^2

Convert to mixed number

A=\frac{800}{3}\ ft^2=\frac{798}{3}+\frac{2}{3}=266\frac{2}{3}\ ft^2

4 0
3 years ago
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Answer:

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